#include <iostream>
using namespace std;

// 函数声明和定义
int DemoConsoleOutput()
{
   cout << "This is a simple string literal" << endl;
   cout << "Writing number five: " << 5 << endl;
   cout << "Performing division 10 / 5 = " << 10 / 5 << endl;
   return 0;
}

int main()
{
   // 带有return的函数调用用于退出
   return DemoConsoleOutput();
}